Spark scientific curiosity with easy-to-find materials. Colorfully demonstrate why things stay cold or hot, how energy flows, why things accelerate, and how sound travels. With these great science... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.